The labor supply behavior of rural migrant households in cities is one of the main issues in development economics.

城市中农村迁移家庭的劳动供给行为一直是发展经济学研究的主题之一。

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In other words, who are the bad actors, the companies using child labor, and how can we use our individual economic clout to have a real impact on their supply chains and their behavior?

也就是说，我们如何才能使用个体的经济力量去真正对使用童工的公司的供求链产生影响，来约束它们的滥用童工的行为呢？

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Labor supply is derived from a household's utility maximizing behavior, while labor demand from a firm's profit maximizing behavior.

劳动供给源于家庭的效用最大化，劳动需求源于企业的利润最大化。

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The supply of labor is shifting downward due to demographic factors, as well as changes in behavior resulting from a rising premium for education.

FORBES: In Brazil, Strong Labor Market, Weak Economy